mail.linkedinbusinessmaster.com - robtex.com

mail.linkedinbusinessmaster.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:19fc🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:86f5🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.25.252Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.134.245🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.25.252, 172.67.134.245
IPv6 hints2606:4700:3032::6815:19fc, 2606:4700:3035::ac43:86f5
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=101, name=cloudflare-ech.com

linkedinbusinessmaster.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:19fc🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:86f5🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.25.252Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.134.245🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSizabella.ns.cloudflare.com ⭐
NSsid.ns.cloudflare.com
MX_dc-mx.8ad5160930cc.linkedinbusinessmaster.com ⭐
TXTgoogle-site-verification=rjjNvVGr841FY2dMycjCZNd202Xp9GxJ25uagKkFeyo
TXTv=spf1 a mx ptr include:secureserver.net ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.25.252, 172.67.134.245
IPv6 hints2606:4700:3032::6815:19fc, 2606:4700:3035::ac43:86f5
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=101, name=cloudflare-ech.com
SOAizabella.ns.cloudflare.comdns@cloudflare.com serial=2403143875

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DNS History

8 records (4 active, 4 former)

A104.21.25.252172.67.134.2452606:4700:3032::6815:19fc2606:4700:3035::ac43:86f5188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●A104.21.25.2522026-02-24 → 2026-05-09 · 2 obs
● 2026-02-24 20:28:54
● 2026-05-09 15:01:16
●A172.67.134.2452026-02-24 → 2026-05-09 · 2 obs
● 2026-02-24 20:28:54
● 2026-05-09 15:01:16
○A188.114.96.02026-02-24 → 2026-05-09 · 2 obs
○ 2026-02-24 20:28:54
○ 2026-05-09 15:01:16
○A188.114.97.02026-02-24 → 2026-05-09 · 2 obs
○ 2026-02-24 20:28:54
○ 2026-05-09 15:01:16
●A2606:4700:3032::6815:19fc2026-02-24 → 2026-05-09 · 2 obs
● 2026-02-24 20:28:54
● 2026-05-09 15:01:16
●A2606:4700:3035::ac43:86f52026-02-24 → 2026-05-09 · 2 obs
● 2026-02-24 20:28:54
● 2026-05-09 15:01:16
○A2a06:98c1:3120::2026-02-24 → 2026-05-09 · 2 obs
○ 2026-02-24 20:28:54
○ 2026-05-09 15:01:16
○A2a06:98c1:3121::2026-02-24 → 2026-05-09 · 2 obs
○ 2026-02-24 20:28:54
○ 2026-05-09 15:01:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, g.gtld-servers.net, c.gtld-servers.net, k.gtld-servers.net...-
linkedinbusinessmaster.comsid.ns.cloudflare.com, izabella.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.143

NS records: sid.ns.cloudflare.com, izabella.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linkedinbusinessmaster.com (unsigned zone)

⏱️ Timing

Total: 331ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.134.245, 104.21.25.252
AAAA22606:4700:3035::ac43:86f5, 2606:4700:3032::6815:19fc
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (sid.ns.cloudflare.com, sid.ns.cloudflare.com, sid.ns.cloudflare.com...)

Analysis

IP Addresses

Four IP numbers are pointed to by mail.linkedinbusinessmaster.com: 2606:4700:3032::6815:19fc, 2606:4700:3035::ac43:86f5, 104.21.25.252 and 172.67.134.245.

other host names including pachacore.click, compucompany.org, xianxian48.top, cheap-jsp-hosting.com and maroventhilua.com share IP numbers with mail.linkedinbusinessmaster.com.